... grade 33-80; SGCC, SGCH... 4.Zn:60g-275g GI: CERTIFICATE GI :ISO9001:2008STANDARDGI :ASTM A653, JIS G3302 SGCC/SGCH , ... GB/T 2518, European standardGRADE GI : SS grade 33-80; SGCC, SGCH, SGCD1-SGCD3, ... ,TENSIONLEVELLERT SKIN PASS anti-fingerprint/Un-anti-fingerprint, coatingAPPLICATION GI: structural use, roofing, commercial use ,household appliance,industry,familySPECIAL ...